As the demand for more green products and services grows, more job opportunities will open up in the state, according to the Maryland Department of Labor, Licensing and Regulation. The agency compiled a list green jobs, with many concentrated in four areas: energy efficiency and conservation; alternative and/or renewable energy production; waste management administration; and environmental stewardship and/or service. For more on green living and the environment, see The Baltimore Sun's green blog, B'more Green.